From your picture that is a poor installation job.
Exposed insulation in ceiling.
Following ten years of extensive testing isoboard thermal insulation has developed a proven solution to fixing its thermal insulation boards above rafters trusses or beams.
This will help hold the insulation up and improve the look.
If you are concerned you could cover the ceiling with a insulation mesh or house wrap stapled to the bottom of the joists or install a dropped ceiling.
Seal the insulation by stapling a polymembrane sheet over it.
Work with an insulation expert to ensure.
Does the exposed fiberglass insulation in the ceiling pose any risk to my children who sometimes play there a o cold spring n y.
How to thermally insulate roofs with exposed rafters trusses or beams.
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The insulation for exposed rafters is installed on the exterior side of the finish ceiling.
If your structure does not need to be well insulated you can simply sandwich a layer of aluminum.
Install plywood flooring over insulation located in the floor.
How to expose rafters and still provide insulation finish ceiling.
You can prevent this by installing foam insulation board against the underside of the roof between the rafters.
Install paneling or sheetrock over insulation located in the wall.
My house has an unfinished basement.
Suggestions for covering exposed insulation include the following.
One drawback to this is that the layer of insulation placed above the ceiling is missing which can subject the area of the house with the exposed rafters to extreme temperature changes.
The bent boards that hold the fiberglass up appear to be compressing it and the fiberglass batts are not tightly fit between the joists.